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Structural Extremes in a Cretaceous Dinosaur
Fossils of the Early Cretaceous dinosaur, Nigersaurus taqueti, document for the first time the cranial anatomy of a rebbachisaurid sauropod. Its extreme adaptations for herbivory at ground-levelExpand
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New dinosaurs link southern landmasses in the Mid–Cretaceous
Abelisauroid predators have been recorded almost exclusively from South America, India and Madagascar, a distribution thought to document persistent land connections exclusive of Africa. Here, weExpand
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First complete sauropod dinosaur skull from the Cretaceous of the Americas and the evolution of sauropod dentition
Sauropod dinosaur bones are common in Mesozoic terrestrial sediments, but sauropod skulls are exceedingly rare—cranial materials are known for less than one third of sauropod genera and even fewerExpand
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Evidence for Avian Intrathoracic Air Sacs in a New Predatory Dinosaur from Argentina
Background Living birds possess a unique heterogeneous pulmonary system composed of a rigid, dorsally-anchored lung and several compliant air sacs that operate as bellows, driving inspired airExpand
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A Nomenclature for Vertebral Fossae in Sauropods and Other Saurischian Dinosaurs
Background The axial skeleton of extinct saurischian dinosaurs (i.e., theropods, sauropodomorphs), like living birds, was pneumatized by epithelial outpocketings of the respiratory system. PneumaticExpand
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FOREBRAIN ENLARGEMENT AMONG NONAVIAN THEROPOD DINOSAURS
The gross size and shape of the brain is often preserved in extinct vertebrates with well-ossified braincases, such as dinosaurs. The volume within the braincase, termed the endocast, is the spaceExpand
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A New Abelisaurid (Dinosauria, Theropoda) from the Lameta Formation (Cretaceous, Maastrichtian) of India
Many isolated dinosaur bones and teeth have been recovered from Cretaceous rocks in India, but associated remains are exceedingly rare. We report on the discovery of associated cranial andExpand
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Predation upon Hatchling Dinosaurs by a New Snake from the Late Cretaceous of India
A new snake from Upper Cretaceous rocks in India is found with hatchling sauropod dinosaurs, demonstrating that large, gape-limited snakes were probably capable of taking in moderate-sized vertebrateExpand
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Reassessment of the sauropod dinosaur Jainosaurus (= "Antarctosaurus") septentrionalis from the Upper Cretaceous of India
Early evaluations of sauropod diversity in the Cretaceous of India recognized three genera, “Titanosaurus,” Antarctosaurus, and Laplatasaurus, each of which was thought to have closely relatedExpand
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The Titanosaur (Dinosauria: Sauropoda) Osteoderm Record: Review and First Definitive Specimen from India
ABSTRACT Titanosaurs are the only sauropods that possessed osteoderms, although the phylogenetic distribution of this feature within Titanosauria is not yet resolved. Whereas the majority ofExpand
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